Rostroconchia - Conocardiida - Pseudobigaleaidae
Full reference: M. W. Caldwell and B. D. E. Chatterton. 1995. Phylogenetic analysis of some Silurian rostroconchs (Mollusca) from northwestern Canada. Canadian Journal of Earth Sciences 32:806-827
Belongs to Avalanchia according to P. J. Wagner 2023
See also Caldwell and Chatterton 1995 and Rogalla and Amler 2006
Sister taxa: none
Type specimen: Its type locality is Fauna j, Section AV4, Delorme Fm., Mackenzie Mts., which is in a Whitwellian slope limestone/shale in the Delorme Formation of Canada
Ecology: stationary semi-infaunal suspension feeder
Distribution:
• Whitwellian of Canada (1: Northwest Territories collection)
• Silurian of Canada (1: Northwest Territories)
Total: 2 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.